Home / 80,769.26-121,173.06-25,365.26

Finding the Fourth Proportional to 80,769.26, 121,173.06 and 25,365.26

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Solution

The fourth proportional to 80,769.26, 121,173.06 and 25,365.26 is: 38,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,769.26 : 121,173.06 = 25,365.26 : x
  2. Step 2: Convert to fraction form
    80,769.26/121,173.06 = 25,365.26/x
  3. Step 3: Cross multiply
    80,769.26x = 121,173.06 × 25,365.26
  4. Step 4: Simplify right side
    80,769.26x = 3,073,586,171.90
  5. Step 5: Solve for x
    x = 3,073,586,171.90/80,769.26
  6. Step 6: Final answer
    x = 38,053.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.